package main

import "fmt"

type rect struct {
	width, height int
}

func (r *rect) area() int {
	return r.width * r.height
}

func (r rect) perim() int {
	return 2 * r.width * 2 * r.height
}

func main() {
	r := rect{height: 5, width: 2}

	fmt.Println("area:", r.area())
	fmt.Println("perim:", r.perim())

	rp := &r

	fmt.Println("area:", rp.area())
	fmt.Println("perim:", rp.perim())

}
